What is 1.0395 x 10 to the power of 9 in standard notation

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3